gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / dynobject / impl / DefaultDynObject.java @ 92
History | View | Annotate | Download (5.47 KB)
1 |
package org.gvsig.tools.dynobject.impl; |
---|---|
2 |
|
3 |
import org.gvsig.tools.dynobject.DelegatedDynObject; |
4 |
import org.gvsig.tools.dynobject.DynClass; |
5 |
import org.gvsig.tools.dynobject.DynField; |
6 |
import org.gvsig.tools.dynobject.DynMethod; |
7 |
import org.gvsig.tools.dynobject.DynObject; |
8 |
import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
9 |
import org.gvsig.tools.dynobject.exception.DynMethodException; |
10 |
import org.gvsig.tools.dynobject.exception.DynMethodNotSupportedException; |
11 |
import org.gvsig.tools.dynobject.impl.DefaultDynClass.FieldAndIndex; |
12 |
|
13 |
public class DefaultDynObject implements DelegatedDynObject { |
14 |
|
15 |
protected DefaultDynClass dynClass;
|
16 |
protected Object[] values; |
17 |
protected DynObject[] delegateds; |
18 |
|
19 |
public DefaultDynObject(DynClass dynClass) {
|
20 |
this.dynClass = (DefaultDynClass) dynClass;
|
21 |
// this.values = null;
|
22 |
this.delegateds = null; |
23 |
this.values = this.dynClass.createValues(null); |
24 |
} |
25 |
|
26 |
public void implement(DynClass dynClass) { |
27 |
this.dynClass = (DefaultDynClass) ((DefaultDynObjectManager) ((DefaultDynClass) dynClass)
|
28 |
.getManager()).get(new DynClass[] { this.dynClass, dynClass }); |
29 |
this.values = this.dynClass.createValues(this.values); |
30 |
} |
31 |
|
32 |
public Object getDynValue(String name) throws DynFieldNotFoundException { |
33 |
// if( this.values == null ) {
|
34 |
// this.values = this.dynClass.createValues(null);
|
35 |
// return null;
|
36 |
// }
|
37 |
FieldAndIndex x = dynClass.getDynFieldAndIndex(name); |
38 |
if (x != null) { |
39 |
|
40 |
Object value = values[x.getIndex()];
|
41 |
if (value != null) { |
42 |
// return x.getDynField().coerce(value);
|
43 |
return value;
|
44 |
} |
45 |
} |
46 |
if( delegateds != null ) { |
47 |
for( int i=0; i<delegateds.length; i++) { |
48 |
DynObject dynObj = delegateds[i]; |
49 |
if( dynObj.hasDynValue(name) ) {
|
50 |
return dynObj.getDynValue(name);
|
51 |
} |
52 |
} |
53 |
} |
54 |
if (x == null) { |
55 |
throw new DynFieldNotFoundException(name, dynClass.getName()); |
56 |
} |
57 |
return x.getDynField().getDefaultValue();
|
58 |
} |
59 |
|
60 |
public void setDynValue(String name, Object value) throws DynFieldNotFoundException { |
61 |
// if( this.values == null ) {
|
62 |
// this.values = this.dynClass.createValues(null);
|
63 |
// }
|
64 |
|
65 |
FieldAndIndex x = dynClass.getDynFieldAndIndex(name); |
66 |
if (x == null) { |
67 |
throw new DynFieldNotFoundException(name,this.getDynClass().getName()); |
68 |
} |
69 |
values[x.getIndex()] = x.getDynField().coerce(value); |
70 |
} |
71 |
|
72 |
public boolean instanceOf(DynClass dynClass) { |
73 |
return dynClass.isInstance(this); |
74 |
} |
75 |
|
76 |
public DynClass getDynClass() {
|
77 |
return this.dynClass; |
78 |
} |
79 |
|
80 |
public boolean hasDynValue(String name) { |
81 |
// if( this.values == null ) {
|
82 |
// this.values = this.dynClass.createValues(null);
|
83 |
// }
|
84 |
int index = dynClass.getFieldIndex(name);
|
85 |
if (index < 0 || this.values[index] == null) { |
86 |
if (delegateds != null) { |
87 |
for (int i = 0; i < delegateds.length; i++) { |
88 |
DynObject dynObj = delegateds[i]; |
89 |
if (dynObj.hasDynValue(name)) {
|
90 |
return true; |
91 |
} |
92 |
} |
93 |
} |
94 |
return false; |
95 |
} |
96 |
return true; |
97 |
} |
98 |
|
99 |
public void delegate(DynObject dynObjects) { |
100 |
if( delegateds == null ) { |
101 |
this.delegateds = new DynObject[1]; |
102 |
this.delegateds[0] = dynObjects; |
103 |
return ;
|
104 |
} |
105 |
DynObject[] newValues = new DynObject[this.delegateds.length + 1]; |
106 |
System.arraycopy(delegateds, 0, newValues, 0, delegateds.length); |
107 |
newValues[delegateds.length] = dynObjects; |
108 |
this.delegateds = newValues;
|
109 |
} |
110 |
|
111 |
public Object invokeDynMethod(String name, DynObject context) throws DynMethodException { |
112 |
throw new IllegalArgumentException("self required"); |
113 |
} |
114 |
|
115 |
public Object invokeDynMethod(int code, DynObject context) throws DynMethodException { |
116 |
throw new IllegalArgumentException("self required"); |
117 |
} |
118 |
|
119 |
public Object invokeDynMethod(Object self, String methodName, |
120 |
DynObject context)throws DynMethodException {
|
121 |
DynMethod method = this.dynClass.getDynMethod(methodName);
|
122 |
if (method == null) { |
123 |
if (delegateds != null) { |
124 |
for (int i = 0; i < delegateds.length; i++) { |
125 |
try {
|
126 |
return delegateds[i].invokeDynMethod(methodName,
|
127 |
context); |
128 |
} catch (DynMethodNotSupportedException e) {
|
129 |
// continue next delegated
|
130 |
} |
131 |
} |
132 |
|
133 |
} |
134 |
throw new DynMethodNotSupportedException(methodName, self |
135 |
.getClass().getName()); |
136 |
|
137 |
} |
138 |
return method.invoke(self, context);
|
139 |
} |
140 |
|
141 |
public Object invokeDynMethod(Object self, int methodCode, DynObject context) throws DynMethodException { |
142 |
DynMethod method = this.dynClass.getDynMethod(methodCode);
|
143 |
if (method == null) { |
144 |
if (delegateds != null) { |
145 |
for (int i = 0; i < delegateds.length; i++) { |
146 |
try {
|
147 |
return delegateds[i].invokeDynMethod(methodCode,
|
148 |
context); |
149 |
} catch (DynMethodNotSupportedException e) {
|
150 |
// continue next delegated
|
151 |
} |
152 |
} |
153 |
throw new DynMethodNotSupportedException(methodCode, self |
154 |
.getClass().getName()); |
155 |
|
156 |
} else {
|
157 |
throw new DynMethodNotSupportedException(methodCode, self |
158 |
.getClass().getName()); |
159 |
} |
160 |
} |
161 |
return this.dynClass.manager.invokeDynMethod(self, methodCode, context); |
162 |
} |
163 |
|
164 |
public void clear() { |
165 |
DynField[] fields = getDynClass().getDeclaredDynFields();
|
166 |
|
167 |
for (int i = 0; i < fields.length; i++) { |
168 |
this.setDynValue(fields[i].getName(), fields[i].getDefaultValue());
|
169 |
} |
170 |
} |
171 |
|
172 |
public String toString() { |
173 |
StringBuffer buffer = new StringBuffer(); |
174 |
|
175 |
DynClass dynClass = getDynClass(); |
176 |
buffer.append("DynClass name: ").append(dynClass.getName()).append(
|
177 |
"\nFields:");
|
178 |
|
179 |
DynField[] fields = dynClass.getDeclaredDynFields();
|
180 |
|
181 |
for (int i = 0; i < fields.length; i++) { |
182 |
buffer.append("\n\t").append(fields[i].getName()).append(" = ") |
183 |
.append(getDynValue(fields[i].getName())); |
184 |
} |
185 |
|
186 |
return buffer.toString();
|
187 |
} |
188 |
} |